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TLC59283RGER Datasheet(PDF) 1 Page - Texas Instruments |
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TLC59283RGER Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page SIN SCLK LAT BLANK SOUT GND VCC Device 1 OUT0 OUT15 VCC VLED VLED DATA SCLK LAT BLANK R IREF IREF Controller 3 ¼ COM1 COM0 SW COM1 VLED ¼ COMn SW COMn SW COM0 SIN SCLK LAT BLANK SOUT GND VCC Device n OUT0 OUT15 VCC R IREF IREF ¼ + TLC59283 www.ti.com SBVS199A – JUNE 2012 – REVISED JUNE 2012 16-Channel, Constant-Current LED Driver with Pre-Charge FET Check for Samples: TLC59283 1 FEATURES 2 • 16-Channel, Constant-Current Sink Output APPLICATIONS with On and Off Control • Video Displays • Constant-Current Sink Capability: • Message Boards 35 mA (VCC ≤ 3.6 V), 45 mA (VCC > 3.6 V) • LED Power-Supply Voltage: Up to 10 V DESCRIPTION • VCC = 3 V to 5.5 V The TLC59283 is a 16-channel, constant-current sink light-emitting diode (LED) driver. Each channel can • Constant-Current Accuracy: be individually controlled with a simple serial – Channel-to-Channel: communications protocol that is compatible with 3.3-V ±1.4% (typ), ±3% (max) or 5-V CMOS logic levels, depending on the – Device-to-Device: ±2% (typ), ±4% (max) operating VCC. When the serial data buffer is loaded, a LAT rising edge transfers the data to the OUTn • CMOS Logic Level I/O outputs. The BLANK pin can be used to turn off all • Data Transfer Rate: 35 MHz OUTn outputs during power-on and output data • BLANK Pulse Width: 50 ns latching to prevent unwanted image displays during these times. The constant-current value of all 16 • Pre-Charge FET for Ghosting Reduction channels is set by a single external resistor. • Grouped Switching Delay for Noise Reduction Each constant-current output has a pre-charge field- • Operating Temperature: –40°C to +85°C effect transistor (FET) that can reduce ghosting on the multiplexing (dynamic) drive LED display. Multiple TLC59283s can be cascaded together to control additional LEDs from the same processor. Typical Application Circuit (Multiple Daisy-Chained TLC59283s) 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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